Columbia NLP: Sentiment Detection of Sentences and Subjective Phrases in Social Media.
Sara RosenthalKathy McKeownApoorv AgarwalPublished in: SemEval@COLING (2014)
Keyphrases
- natural language
- social media
- linguistic features
- sentence level
- social media data
- sentiment analysis
- natural language processing
- user comments
- detection algorithm
- social networks
- language processing
- detection method
- false positives
- machine learning
- part of speech
- named entities
- keywords
- syntactic parsing
- real world events
- social media content
- keyphrases
- noun phrases
- text mining
- object detection
- information extraction
- multi document summarization
- natural language understanding
- positive or negative
- multiword
- text classification
- public opinion
- linguistic analysis
- co occurrence
- information retrieval